MADRID (Reuters) - World number one and defending champion Serena Williams continued her serene progress at the Madrid Open when she eased past Spanish wildcard Lourdes Dominguez Lino 6-2 7-5 in the second round on Tuesday. Chasing a fourth title of the year and the 50th of her career, Williams had too much power for the slightly-built Dominguez Lino, who nonetheless managed to unsettle her illustrious opponent with some clever drop shots and lobs.

Bruins goalie Rask up for challenge of Stanley Cup run

TORONTO (Reuters) - Tuukka Rask is key to the Boston Bruins' Stanley Cup hopes and the Finnish netminder showed he is up for the challenge with a stellar performance that silenced what had been a raucous Air Canada Center. Rask stole the show when he turned aside 45 of the 47 shots he faced during Monday's 5-2 win over a Toronto Maple Leafs team that was hosting its first National Hockey League (NHL) playoff game in nine years.

Sabres appoint Rolston as head coach after interim stint

(Reuters) - Ron Rolston was appointed head coach of the Buffalo Sabres on Tuesday, having filled the role on an interim basis after long-time coach Lindy Ruff was fired in February. Previously in charge of Buffalo's American Hockey League affiliate, the Rochester Americans, Rolston becomes the 16th head coach for the Sabres after guiding the team to a 15-11-5 record in 31 games since replacing Ruff.

Monty decides to compete in U.S. full-time, as a senior

(Reuters) - Britain's former world number two Colin Montgomerie repeatedly resisted the lure of the PGA Tour during his prime but now says he intends to compete full-time in the United States on the Champions Tour for players aged over 50. The Scotsman, who won a record eight order of merit titles on the European Tour between 1993 and 2005, will be eligible for the senior circuit after his 50th birthday on June 23.

No blues for resilient Kings as they head to St. Louis

LOS ANGELES (Reuters) - For the Los Angeles Kings, it all came down to resilience and winning the final period as they faced the daunting prospect of trailing the St. Louis Blues 3-1 in their best-of-seven Western Conference first-round series. In front of a packed house at Staples Center, the Stanley Cup champions were stunned by two early Blues goals in Monday's Game Four and despite clawing their way back to 2-2, they again fell behind by the second intermission.

Wiggins loses time as Battaglin leads Italian 1-2-3

SERRA SAN BRUNO (Reuters) - Enrico Battaglin led an Italian 1-2-3 to win the fourth stage of the Giro d'Italia on Tuesday as Britain's Bradley Wiggins lost time in a testing finale. The Tour de France champion lost 17 seconds as the peloton split in the final kilometers that included a quick descent followed by a flat section, which riders tackled in heavy rain with a cobbled section in the home straight.

Ice hockey-Russia beat U.S. 5-3 to maintain perfect start

STOCKHOLM (Reuters) - Ilya Kovalchuk and Alexander Radulov each scored one goal and made another as Russia beat the United States 5-3 to preserve their perfect start at the ice hockey world championship. The two hockey superpowers played out an entertaining see-saw game in Helsinki that saw Russia take the lead in the first period before being pegged back by the United States.

Djokovic stunned by Dimitrov in Madrid second round

MADRID (Reuters) - World number one Novak Djokovic was dumped out of the Madrid Open when he lost 7-6 6-7 6-3 to unseeded Bulgarian Grigor Dimitrov after suffering an ankle strain in the second round on Tuesday. Djokovic, who had a bye in the opening round, was already a break down to the promising 21-year-old in the second set when he twisted the same ankle he damaged playing for Serbia in the Davis Cup last month.

Tomic's father suspended by ATP after Madrid incident

MADRID (Reuters) - John Tomic, the father and coach of Australian world number 53 Bernard Tomic, has been suspended from ATP events after he was involved in an altercation with his son's practice partner in a Madrid street at the weekend. "Following last week's incident in Madrid concerning John Tomic, and the ensuing investigation, Mr. Tomic's credential privileges have been suspended at all ATP tournaments until further notice," the governing body said on Tuesday.

Djokovic ousted by Dimitrov in Madrid

MADRID (Reuters) - Novak Djokovic was dumped out of the Madrid Open in the second round on Tuesday when he went over on his ankle and incurred the wrath of the locals on the way to a shock 7-6 6-7 6-3 reverse to Bulgarian Grigor Dimitrov. The world number one, who had a bye in the opening round, was already a break down to the unseeded 21-year-old in the second set when he twisted the same ankle he hurt playing for Serbia in the Davis Cup last month.